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1
33
34 package com.icesoft.faces.component.outputprogress;
35
36 import java.io.IOException  ;
37
38 import javax.faces.FacesException;
39 import javax.faces.component.UIComponent;
40 import javax.faces.context.FacesContext;
41
42 import org.w3c.dom.Element ;
43 import org.w3c.dom.Node ;
44 import org.w3c.dom.Text ;
45
46 import com.icesoft.faces.component.CSS_DEFAULT;
47 import com.icesoft.faces.component.ext.taglib.Util;
48 import com.icesoft.faces.context.DOMContext;
49 import com.icesoft.faces.renderkit.dom_html_basic.DomBasicInputRenderer;
50 import com.icesoft.faces.renderkit.dom_html_basic.HTML;
51 import com.icesoft.faces.renderkit.dom_html_basic.PassThruAttributeRenderer;
52
53 public class OutputProgressRenderer extends DomBasicInputRenderer {
54
55
56 public void encodeEnd(FacesContext facesContext, UIComponent uiComponent)
57 throws IOException {
58
59
60 validateParameters(facesContext, uiComponent, OutputProgress.class);
61 DOMContext domContext =
62 DOMContext.attachDOMContext(facesContext, uiComponent);
63
64 if (!domContext.isInitialized()) {
65 Element table = domContext.createRootElement(HTML.TABLE_ELEM);
66 setRootElementId(facesContext, table, uiComponent);
67 table.setAttribute(HTML.CELLPADDING_ATTR, "0");
68 table.setAttribute(HTML.CELLSPACING_ATTR, "0");
69 table.setAttribute(HTML.BORDER_ATTR, "0");
70 }
71 Element table = (Element ) domContext.getRootNode();
72 String style = ((OutputProgress) uiComponent).getStyle();
73 if(style != null && style.length() > 0)
74 table.setAttribute(HTML.STYLE_ATTR, style);
75 else
76 table.removeAttribute(HTML.STYLE_ATTR);
77 buildLayout(table, uiComponent, domContext);
81
82 setPercentage(facesContext, uiComponent);
83 if (PassThruAttributeRenderer.passThruAttributeExists(uiComponent)) {
84 PassThruAttributeRenderer
85 .renderAttributes(facesContext, uiComponent, null);
86 }
87
88 domContext.stepOver();
89 domContext.streamWrite(facesContext, uiComponent);
90 }
91
92
93 private void setPercentage(FacesContext facesContext,
94 UIComponent uiComponent) {
95 DOMContext domContext =
96 DOMContext.getDOMContext(facesContext, uiComponent);
97 String space = " ";
98 if (domContext.isStreamWriting()) {
99 space = "";
100 }
101
102 OutputProgress progressBar = (OutputProgress) uiComponent;
103
104 Text percentageText = progressBar.getTextNode();
105 Element bgBar = progressBar.getBarNode();
106 Element fillBar = (Element ) bgBar.getFirstChild();
107
108 String progressLabel = progressBar.getProgressLabel();
109 int percentValue = progressBar.getValue();
110 if (percentValue > 100) {
111 percentValue = 100;
112 }
113 if (percentValue < 0) {
114 percentValue = 0;
115 }
116 if (progressBar.getIndeterminate() == false) {
118 percentageText.setData(percentValue + " %");
119 }
120
121 if (percentValue < 100) {
122
123 if (progressLabel != null && progressLabel.length() > 0) {
124 percentageText.setData(progressLabel);
125 }
126 if (progressBar.getIndeterminate()) {
128 if (percentValue < 1) {
129 fillBar.setAttribute(HTML.CLASS_ATTR,
130 progressBar.getIndeterminateInactiveClass());
131 percentageText.setData(space);
132 } else {
133 fillBar.setAttribute(HTML.CLASS_ATTR,
134 progressBar.getIndeterminateActiveClass());
135 fillBar.setAttribute(HTML.STYLE_ATTR,
136 "position:absolute;width:100%");
137
138 if (progressLabel != null && progressLabel.length() > 0) {
139 percentageText.setData(progressLabel);
140 } else {
141 percentageText.setData(space);
142 }
143 }
144 }
145
146 } else {
147 if (progressBar.getIndeterminate()) {
148 fillBar.setAttribute(HTML.CLASS_ATTR,
149 progressBar.getIndeterminateInactiveClass());
150 fillBar.setAttribute(HTML.STYLE_ATTR,
151 "position:absolute;width:100%;");
152 }
153 String progressCompleteLabel = progressBar.getProgressLabelComplete();
154 if (progressCompleteLabel != null && progressCompleteLabel.length() > 0) {
155 percentageText.setData(progressCompleteLabel);
156 }
157 }
158
159 if (progressBar.getIndeterminate() == false) {
161 Node node = fillBar.getFirstChild();
166 if (node instanceof Text ) {
167 if (percentValue <= 0) {
168 fillBar.removeChild(node);
169 }
170 } else if (node == null) {
171 if (percentValue > 0) {
172 Text nbsp4opera = domContext.createTextNode(" ");
173 fillBar.appendChild(nbsp4opera);
174 }
175 }
176 }
177 if (progressBar.getIndeterminate() == false) {
179 fillBar.setAttribute(HTML.STYLE_ATTR, "position:absolute;width:" +
180 percentValue + "%;");
181 }
182 }
183
184 private void buildLayout(Element table, UIComponent uiComponent,
185 DOMContext domContext) {
186 String space = " ";
187 if (domContext.isStreamWriting()) {
188 space = "";
189 }
190 Node node = table.getFirstChild();
191 Element tbody = domContext.createElement(HTML.TBODY_ELEM);
192 if (node != null) {
193 table.replaceChild(tbody, node);
194 } else {
195 table.appendChild(tbody);
196 }
197
198
199 OutputProgress progressBar = (OutputProgress) uiComponent;
200 table.setAttribute(HTML.CLASS_ATTR, progressBar.getStyleClass());
201
202 Element row = domContext.createElement(HTML.TR_ELEM);
203 Element textTd = domContext.createElement(HTML.TD_ELEM);
204 textTd.setAttribute(HTML.CLASS_ATTR, progressBar.getTextClass());
205
206 Element barTd = domContext.createElement(HTML.TD_ELEM);
207 tbody.appendChild(row);
208 Text percentageText = null;
209 if (progressBar.getProgressLabel() != null) {
210 percentageText = domContext.createTextNode(space);
212 } else {
213 percentageText = domContext.createTextNode("0 %");
214 }
215
216 textTd.appendChild(percentageText);
217 textTd.setAttribute("id", uiComponent
218 .getClientId(FacesContext.getCurrentInstance()) +
219 "percentageText");
220
221 Element bgBar = domContext.createElement(HTML.DIV_ELEM);
222 bgBar.setAttribute(HTML.CLASS_ATTR, progressBar.getBackgroundClass());
223 bgBar.setAttribute(HTML.STYLE_ATTR, "position:relative;");
224
225 Element fillBar = domContext.createElement(HTML.DIV_ELEM);
226 fillBar.setAttribute(HTML.ID_ATTR, uiComponent
227 .getClientId(FacesContext.getCurrentInstance()) + "bar");
228
229 if (progressBar.getIndeterminate() == false) { fillBar.setAttribute(HTML.CLASS_ATTR, progressBar.getFillClass());
231 fillBar.setAttribute(HTML.STYLE_ATTR, "position:absolute;width:0%");
232 } else { fillBar.setAttribute(HTML.CLASS_ATTR,
234 progressBar.getIndeterminateInactiveClass());
235 fillBar.setAttribute(HTML.STYLE_ATTR,
236 "position:absolute;width:100%;");
237 }
238
239
240 bgBar.appendChild(fillBar);
241 Text nbsp4mozila = domContext.createTextNode(space);
242
243 barTd.appendChild(bgBar);
244
245 progressBar.setTextNode(percentageText);
246 progressBar.setBarNode(bgBar);
247
248 String textPosition = progressBar.getLabelPosition();
249
250 if (!isValidTextPosition(textPosition.toString().toLowerCase())) {
251 throw new FacesException(
252 "Please define valid textPosition [top|bottom|left|right|topcenter|bottomcenter|topright|bottomright|embed]");
253 }
254
255 if (textPosition.toString().equalsIgnoreCase("left")) {
256 textTd.setAttribute("style", "vertical-align: middle;");
257 row.appendChild(textTd);
258 row.appendChild(barTd);
259 }
260 if (textPosition.toString().equalsIgnoreCase("right")) {
261 textTd.setAttribute("style", "vertical-align: middle;");
262 row.appendChild(barTd);
263 row.appendChild(textTd);
264 }
265
266 if (textPosition.toString().toLowerCase().startsWith("top")) {
267 Element row2 = domContext.createElement(HTML.TR_ELEM);
268 row.appendChild(textTd);
269 row2.appendChild(barTd);
270 tbody.appendChild(row2);
271 if (textPosition.toString().equalsIgnoreCase("topcenter")) {
272 textTd.setAttribute("align", "center");
273 }
274 if (textPosition.toString().equalsIgnoreCase("topright")) {
275 textTd.setAttribute("align", "right");
276 }
277 }
278
279 if (textPosition.toString().toLowerCase().startsWith("bottom")) {
280 Element row2 = domContext.createElement(HTML.TR_ELEM);
281 row.appendChild(barTd);
282 row2.appendChild(textTd);
283 tbody.appendChild(row2);
284 if (textPosition.toString().equalsIgnoreCase("bottomcenter")) {
285 textTd.setAttribute("align", "center");
286 }
287 if (textPosition.toString().equalsIgnoreCase("bottomright")) {
288 textTd.setAttribute("align", "right");
289 }
290 }
291
292 if (textPosition.toString().equalsIgnoreCase("embed")) {
293 Element embedDiv = domContext.createElement(HTML.DIV_ELEM);
294 embedDiv.setAttribute(HTML.CLASS_ATTR,
295 progressBar.getTextClass());
296 embedDiv.setAttribute(HTML.STYLE_ATTR,
297 "text-align:center;position:relative;background-color:transparent;width:100%;z-index:1;");
298 embedDiv.appendChild(percentageText);
299
300 if (progressBar.getIndeterminate() == false) { bgBar.appendChild(embedDiv);
302 } else { fillBar.appendChild(embedDiv);
304 }
305 row.appendChild(barTd);
306 } else {
307 Text nbsp4opera = domContext.createTextNode(space);
309 fillBar.appendChild(nbsp4opera);
311 bgBar.appendChild(nbsp4mozila);
312 }
313 }
314
315 private boolean isValidTextPosition(String textPosition) {
316 String [] validPosition = {"top", "bottom", "left", "right", "topcenter",
317 "bottomcenter", "topright", "bottomright",
318 "embed"};
319 for (int i = 0; i < validPosition.length; i++) {
320 if (validPosition[i].equals(textPosition)) {
321 return true;
322 }
323 }
324 return false;
325 }
326 }
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